DE2110443A1 - Verfahren zur Herstellung von 3-substituiertem oder unsubstituiertem 2,2'-Spirobis-(Benzo(f)Chromen) - Google Patents

Verfahren zur Herstellung von 3-substituiertem oder unsubstituiertem 2,2'-Spirobis-(Benzo(f)Chromen)

Info

Publication number
DE2110443A1
DE2110443A1 DE19712110443 DE2110443A DE2110443A1 DE 2110443 A1 DE2110443 A1 DE 2110443A1 DE 19712110443 DE19712110443 DE 19712110443 DE 2110443 A DE2110443 A DE 2110443A DE 2110443 A1 DE2110443 A1 DE 2110443A1
Authority
DE
Germany
Prior art keywords
spirobis
benzo
chromene
reaction
unsubstituted
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
DE19712110443
Other languages
German (de)
English (en)
Inventor
Satoshi Kurihara
Daijiro Nishio
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujifilm Holdings Corp
Original Assignee
Fuji Photo Film Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fuji Photo Film Co Ltd filed Critical Fuji Photo Film Co Ltd
Publication of DE2110443A1 publication Critical patent/DE2110443A1/de
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D493/00Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
    • C07D493/02Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
    • C07D493/10Spiro-condensed systems
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41MPRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
    • B41M5/00Duplicating or marking methods; Sheet materials for use therein
    • B41M5/124Duplicating or marking methods; Sheet materials for use therein using pressure to make a masked colour visible, e.g. to make a coloured support visible, to create an opaque or transparent pattern, or to form colour by uniting colour-forming components
    • B41M5/132Chemical colour-forming components; Additives or binders therefor
    • B41M5/136Organic colour formers, e.g. leuco dyes
    • B41M5/15Spiro-pyrans
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D311/00Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/78Ring systems having three or more relevant rings
    • C07D311/92Naphthopyrans; Hydrogenated naphthopyrans

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
DE19712110443 1970-03-04 1971-03-04 Verfahren zur Herstellung von 3-substituiertem oder unsubstituiertem 2,2'-Spirobis-(Benzo(f)Chromen) Pending DE2110443A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1843270 1970-03-04

Publications (1)

Publication Number Publication Date
DE2110443A1 true DE2110443A1 (de) 1972-07-13

Family

ID=11971471

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712110443 Pending DE2110443A1 (de) 1970-03-04 1971-03-04 Verfahren zur Herstellung von 3-substituiertem oder unsubstituiertem 2,2'-Spirobis-(Benzo(f)Chromen)

Country Status (6)

Country Link
BE (1) BE763715A (enExample)
CA (1) CA945562A (enExample)
DE (1) DE2110443A1 (enExample)
ES (1) ES388829A1 (enExample)
FR (1) FR2084163A5 (enExample)
GB (1) GB1291689A (enExample)

Also Published As

Publication number Publication date
FR2084163A5 (enExample) 1971-12-17
CA945562A (en) 1974-04-16
BE763715A (fr) 1971-08-02
GB1291689A (en) 1972-10-04
ES388829A1 (es) 1973-06-01

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